Chemical and thermal stability ofN-heterocyclic ionic liquids in catalytic C-H activation reactions

2014 ◽  
Vol 52 (11) ◽  
pp. 673-679 ◽  
Author(s):  
Guanyi Chen ◽  
Shujuan Kang ◽  
Qisheng Ma ◽  
Weiqun Chen ◽  
Yongchun Tang
Keyword(s):  
Thermal Stability ◽  
Ionic Liquids

scholarly journals Thermal Stability and Decomposition Kinetics of 1-Alkyl-2,3-Dimethylimidazolium Nitrate Ionic Liquids: TGA and DFT Study

Materials ◽  
2021 ◽  
Vol 14 (10) ◽  
pp. 2560
Author(s):  
Jianwen Meng ◽  
Yong Pan ◽  
Fan Yang ◽  
Yanjun Wang ◽  
Zhongyu Zheng ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Density Functional Theory ◽  
Ionic Liquids ◽  
Density Functional ◽  
Density Functional Theory Calculations ◽  
Nitrogen Atmosphere ◽  
Decomposition Kinetics ◽  
Heating Rates ◽  
Functional Theory ◽  
Kinetics Of

The thermal stability and decomposition kinetics analysis of 1-alkyl-2,3-dimethylimidazole nitrate ionic liquids with different alkyl chains (ethyl, butyl, hexyl, octyl and decyl) were investigated by using isothermal and nonisothermal thermogravimetric analysis combined with thermoanalytical kinetics calculations (Kissinger, Friedman and Flynn-Wall-Ozawa) and density functional theory (DFT) calculations. Isothermal experiments were performed in a nitrogen atmosphere at 240, 250, 260 and 270 °C. In addition, the nonisothermal experiments were carried out in nitrogen and air atmospheres from 30 to 600 °C with heating rates of 5, 10, 15, 20 and 25 °C/min. The results of two heating modes, three activation energy calculations and density functional theory calculations consistently showed that the thermal stability of 1-alkyl-2,3-dimethylimidazolium nitrate ionic liquids decreases with the increasing length of the alkyl chain of the substituent on the cation, and then the thermal hazard increases. This study could provide some guidance for the safety design and use of imidazolium nitrate ionic liquids for engineering.

scholarly journals Study of Preparation and Thermal Stability of Cyano-Functionalized Imidazolium Type Ionic Liquids

2013 ◽  
Vol 25 (8) ◽  
pp. 4779-4782 ◽  
Author(s):  
W.D. Liang ◽  
H.F. Li ◽  
G.J. Gou ◽  
A.Q. Wang
Keyword(s):  
Thermal Stability ◽  
Ionic Liquids ◽  
Thermal Stability Of

Thermal Stability of Ionic Liquids in Nitrogen and Air Environments

2021 ◽  
pp. 106560
Author(s):  
Yong Huang ◽  
Zhichao Chen ◽  
Jacob M. Crosthwaite ◽  
Sudhir N.V.K. Aki ◽  
Joan F. Brennecke
Keyword(s):  
Thermal Stability ◽  
Ionic Liquids ◽  
Thermal Stability Of

Model-free kinetics applied to evaluate the long-term thermal stability of three [NTf2] anion-based ionic liquids

2017 ◽  
Vol 656 ◽  
pp. 70-84 ◽  
Author(s):  
D. Blanco ◽  
P. Oulego ◽  
D. Ramos ◽  
B. Fernández ◽  
J.M. Cuetos
Keyword(s):  
Thermal Stability ◽  
Ionic Liquids ◽  
Model Free ◽  
Model Free Kinetics ◽  
Thermal Stability Of

Interaction of Ester-Functionalized Ionic Liquids with Atomically-Defined Cobalt Oxides Surfaces: Adsorption, Reaction and Thermal Stability

ChemPhysChem ◽  
2017 ◽  
Vol 18 (23) ◽  
pp. 3443-3453 ◽  
Author(s):  
Tao Xu ◽  
Tobias Waehler ◽  
Julia Vecchietti ◽  
Adrian Bonivardi ◽  
Tanja Bauer ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Ionic Liquids ◽  
Cobalt Oxides ◽  
Adsorption Reaction

scholarly journals Preparation and thermal stability of optically active 1,2,4-triazolium-based ionic liquids

ARKIVOC ◽  
2012 ◽  
Vol 2012 (8) ◽  
pp. 262-281 ◽  
Author(s):  
Paweł Borowiecki ◽  
Marcin Poterała ◽  
Jan Maurin ◽  
Monika Wielechowska ◽  
Jan Plenkiewicz
Keyword(s):  
Thermal Stability ◽  
Ionic Liquids ◽  
Optically Active ◽  
Thermal Stability Of

Effect of the cation structure on the thermal stability of ionic liquids, quaternary ammonium tetrachloroferrates(III)

2016 ◽  
Vol 86 (6) ◽  
pp. 1314-1318 ◽  
Author(s):  
L. I. Voronchikhina ◽  
O. E. Zhuravlev ◽  
N. V. Verolainen ◽  
N. I. Krotova
Keyword(s):  
Thermal Stability ◽  
Ionic Liquids ◽  
Quaternary Ammonium ◽  
Thermal Stability Of

Thermal stability and crystallization behavior of imidazolium halide ionic liquids

2013 ◽  
Vol 573 ◽  
pp. 162-169 ◽  
Author(s):  
Anastasia Efimova ◽  
Grit Hubrig ◽  
Peer Schmidt
Keyword(s):  
Thermal Stability ◽  
Ionic Liquids ◽  
Crystallization Behavior
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